中级计量经济学思维导图（详细版）

矩阵语言下的计量经济学思维导图，内容详细，包括：Lecture 1: Algebra and Geometry of OLS；Lecture 2: Properties of Residuals, Regression Fit, and Partitioned Regression；Lecture 3: Unbiasedness and Efficiency of OLS Estimator; Variance Estimation。